Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

In this activity, your child will learn to name the numbers from 1 through 5 and they'll practice their counting skills.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Try a new approach to working with variables and equations by playing this tic-tac-toe game with your math student.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This project explores what happens to a rubber band when it is heated and cooled.

Stringy orange ghoul guts are actually a healthy and gross-looking appetizer for your child's Halloween party.

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

If your preschooler needs counting practice, try this pared-down game. Kids count clips in each cup and find the playing card to match.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Put your junk mail to good use! Armed with a stack ads and a few simple art supplies, your preschooler can make a cool poster for his room.

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Here's a Halloween, math activity: have your preschooler or pre-kindergartener carve shapes into a Jack-O-Lantern face and boost her shape recognition skills.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!